Annor, F.O., van de Giesen, N., Liebe, J., van de Zaag, A., Tilmant, A. & Odai, S.N. (2009): Delineation of small reservoirs using radar imagery in a semi-arid environment: A case study in the upper east region of Ghana. Physics and Chemistry of the Earth, vol. 34, no. 4-5, pp 309-315.» Article
Grote, R., Lehmann, E., Brümmer, C., Brüggemann, N., Szarzynski, J. & Kunstmann, H. (2009): Modelling and observation of biosphere–atmosphere interactions in natural savannah in Burkina Faso, West Africa. Physics and Chemistry of the Earth, vol. 34, no. 4-5, pp 251-260.» Article
Jung, H. Y., T.S. Hogue, L. K. Rademacher, T. Meixner (2009): Impact of Wildfire on Source Water Contributions in Devil Creek, CA: Evidence from End-Member Mixing Analysis. Hydrological Processes, vol. 23, pp. 183-200.
Leemhuis, C., G. Jung, R. Kasei and J. Liebe (2009): The Volta Basin Water Allocation System: Assessing the impact of the agricultural development on the water resources of the Volta basin, West Africa. Advances in Geoscience, 21: 57–62. » Further information
Liebe, J.R., N. van de Giesen, M.S. Andreini, T.S. Steenhuis, M.T. Walter (2009): Suitability and Limitations of ENVISAT ASAR for Monitoring Small Reservoirs in a Semiarid Area. IEEE Transactions on Geoscience and Remote Sensing, vol. 47, no. 5, pp. 1536-1547.
Liebe, J. , N. van de Giesen , M. Andreini , M. T. Walter, and T. S. Steenhuis (2009): Determining watershed response in data poor environments with remotely sensed small reservoirs as runoff gauges. Water Resources Research, 45: W07410. » Further information
Mdemu, M.V., Rodgers, C., Vlek, P.L.G. & Bogardi, J.J. (2009): Water productivity (WP) in reservoir irrigated schemes in the upper east region (UER) of Ghana. Physics and Chemistry of the Earth, vol. 34, no. 4-5, pp 324-328.» Article
Wagner, S., Kunstmann, H., Bárdossy, A. & Colditz, R.R. (2009): Water balance estimation of a poorly gauged catchment in West Africa using dynamically downscaled meteorological fields and remote sensing information. Physics and Chemistry of the Earth, vol. 34, no.4-5, pp 219-224. » Article
Ahrends, H., Mast, M., Rodgers, C., & Kunstmann, H. (2008): Coupled Hydrological-Economic Modelling for Optimised Irrigated Cultivation in a Semi-arid Catchment of West Africa. Environmental Modelling and Software, vol.23, pp. 385-395.
Bhaduri, A., Perez, N. and J. Liebe (2008): Scope and Sustainability of Cooperation in Transboundary Water Sharing of the Volta River. ZEF – Discussion Papers On Development Policy No. 124, Center for Development Research, Bonn. » Article
Bharati, L., Rodgers, C., Erdenberger, T., Plotnikova, M., Shumilov, S., Vlek, P. & N. Martin (2008): Integration of Economic and Hydrologic Models: Exploring Conjuctive Irrigation Water Use Strategies in the Volta Basin. Agricultural Water Management 95:925-936. » Article
Compaoré, H., J. M. H. Hendrickx, et al. (2008): Evaporation mapping at two scales using optical imagery in the White Volta Basin, Upper East Ghana. Physics and Chemistry of the Earth, vol. 33, pp.127-140.
Eguavoen, I. (2008) The Political Ecology of Household Water in Northern Ghana. Berlin: LIT
Eguavoen, I. (2008): How Water Users Operationalize Policy. The Case of Pump Communities in the Kassena-Nankana District of Ghana. Ghana Journal of Development Studies 5(1): 58-79.
Eguavoen, I. (2008): Knowledge resources (yet) untapped. The challenge of interdisciplinarity and finding one´s place in a complex water research project on the Volta River Basin, West Africa. In: Field Research in Difficult Environments. Methodology as Boundary Work in Development Research. P. Mollinga and C. Wall (Eds.). Berlin, Lit: 111-135.
Eguavoen, I. (2008): Changing household water rights in rural Northern Ghana. Development 51(1).
Eguavoen, I. and E. Youkhana (2008): Small towns face big challenge. Water system management after the water sector reform in Ghana. ZEF Working Paper Series 26. » Article
Faulkner, J., T. Steenhuis, N. van de Giesen, M. Andreini, and J. Liebe, (2008): Water use and productivity of two small reservoir irrigation schemes in Ghana’s Upper East Region. Irrigation and Drainage 57: 151-163.
Friesen, J., C. van Beek, J. Selker, H. H. G. Savenije, N. van de Giesen (2008): Tree rainfall interception measured by stem compression. Water Resources Research, vol. 44, W00D15, doi:10.1029/2008WR007074.
Friesen, J.; Rodgers, C.; Oguntunde, P. G.; Hendrickx, J. M. H.; van de Giesen, N. (2008): Hydrotope-Based Protocol to Determine Average Soil Moisture Over Large Areas for Satellite Calibration and Validation With Results From an Observation Campaign in the Volta Basin, West Africa. IEEE Transactions on Geoscience and Remote Sensing, vol. 46, no. 7, pp. 1995-2004.
Gleisberg, K. (2008): Cultivating Fields of Knowledge. The problem of knowledge transfer in field research on land use in Burkina Faso. in Fieldwork in Difficult Environments: Methodology as Boundary Work in Development Research (ZEF Development Studies), eds C R Wall & P P Mollinga, LIT, Berlin, pp.69-82.
Kunstmann, H., G. Jung, S. Wagner, H. Clottey (2008): Integration of atmospheric sciences and hydrology for the development of decision support systems in sustainable water management. Physics and Chemistry of the Earth, vol. 33, pp. 165-174.
Laube, W. (forthcoming): Changing the Course of History? Ceontextualising the Adoption and Implementation of Water Policies in Ghana and South Africa. In: Mollinga, P., Bhat, A. & S.V. Saravanan (eds.): Water, Politics and Development. LIT, Berlin.
Laube, W., Awo, M. & B. Schraven (2008): Erratic rains and erratic markets: Environmental change, economic globalisation and the expansion of shallow gruondwater irrigation in West Africa. In: ZEF Working Papers, Vol. 30: 16. ZEF, Bonn.
Laux, P, Wagner, S, Wagner, A, Bárdossy A, Jacobeit, J & Kunstmann, H. (2008): Modelling daily precipitation features in the Volta Basin in West Africa. International Journal of Climatology. doi 10.1002/joc. 1852. Available at: http://www3.interscience.wiley.com/journal/121646024/abstract?CRETRY=1&SRETRY=0 [22 January 2009]
Laux, P., Kunstmann, H. & Bárdossy A. (2008): Predicting the Regional Onset of the Rainy Season in West Africa. International Journal of Climatology, vol. 28, no. 3, pp. 329-342.
Laux, P., Kunstmann, H., Lutz, K., Jacobeit, J., Beck, C., Philipp, A., Bárdossy, A. (2008): Comparison of different objective atmospheric circulation pattern analyses in the Jordan region. IAHS Publication, HydroPredict 2008, Prague, Czech Republic, September 15-18.
Laux, P., Heckl, A., Jacobeit, J., Bárdossy, A., & Kunstmann, H. (2008): Linking droughty and wet weather in the Jordan region with atmospheric circulation patterns; AEC conference contribution, Tarragona, Spain, October 8-11.
Laux, P., Kunstmann, H. (2008): Detection of regional weekly weather cycles across Europe; Environmental Research Letters 3, 044005.(http://www.iop.org/EJ/toc/1748-9326/3/4)
Machwitz, M., Schramm, M., Landmann, T. and S. Dech (2008): Remote Sensing based determination of percentage tree cover in West Africa. Geophysical Research Abstracts, Vol. 10, EGU General Assembly 2008.
Marx, A., H. Kunstmann, Schüttemeyer, D. & A.F. Moene (2008): Uncertainty analysis for satellite derived sensible heat fluxes and scintillometer measurements over Savannah environment and comparison to mesoscale meteorological simulation results. Agricultural and Forest Meteorology 148(4): 656-667. » Article
Schuettemeyer, D., A. F. Moene, et al. (2008): Evaluation of two land-surface schemes used in terrains of increasing aridity in West Africa. Journal of Hydrometeorology 9(2): 173-193.
Wagner S., Kunstmann H., Bárdossy A., Conrad C., Colditz R. (2008): Water balance estimation of a poorly gauged catchment in West Africa using dynamically downscaled meteorological fields and remote sensing information. Phys.Chem. Earth (2008), doi:10.1016/j.pce.2008.04.002.
Wagner S., Kunstmann H., and Bárdossy A. (2008): Propagation of precipitation uncertainties in water balance estimations. Geophysical Research Abstracts, Vol. 10, EGU2008-A-03785.
Amisigo, B.A., van de Giesen, N., & Andah, W.E.I. (2007): A Hybrid Metric-Conceptual (HMC) Model for Monthly Riverflow Prediction in the semi-arid Volta Basin of West Africa. Journal of River Basin Management, Vol. 5. » Abstract
Amisigo, B. A., N. van de Giesen, et al. (2007): Monthly Streamflow Prediction in the Volta Basin of West Africa: A SISO NARMAX Polynomial Modeling. Physics and Chemistry of the Earth. » Article
Brümmer, C., N. Brüggemann, et al. (2007): Biosphere-atmosphere exchange of N2O, CH4 and CO2 in natural savannah and rainfed agriculture in Burkina Faso (W Africa). Geophysical Research Abstracts 9. » Abstract
Compaoré, H., J. M. H. Hendrickx, et al. (2007): Evaporation mapping at two scales in the White Volta Basin, Upper East Ghana, using optical imagery. Physics and Chemistry of the Earth doi: 10.1016/j.pce.2007.04.021.
Engel, S., Iskandarani, M., & Useche, M.d.P. (2007): Demand and supply of improved water in the Ghanaian Volta Basin. Journal of River Basin Management, Vol. 5. » Abstract
Falk, U., C. Brümmer, et al. (2007): Fluxes of carbon, water, and energy above a natural savannah in Burkina Faso, West-Africa. Geophysical Research Abstracts 9. » Abstract
Falk, U., J. Szarzynski, et al. (2007): Impact of climate and environmental changes on regional biodiversity. Results and perspectives from the BIOTA West Africa and GLOWA Volta research networks in West Africa. Geophysical Research Abstracts 9. » Abstract
Fosu, M., R. F. Kühne, et al. (2007): Mineralization and Microbial Biomass Dynamics during Decomposition of four Leguminous Residues. Journal of Biological Sciences 7(4): 632-637.
Friesen, J., C. Rodgers, et al. (2007): Hydrotope-based protocol for average soil moisture determination of large areas With results from an observation campaign in the Volta Basin, West Africa. IAHS Publication 316.
Friesen, J., H. C. Winsemius, et al. (2007): Spatial and seasonal patterns of diurnal differences in ERS Scatterometer soil moisture data in the Volta Basin, West Africa. IAHS-AISH Publication 316: 47-55. » Article
Fuest, V. and S. A. Haffner (2007): PPP-policies, practices and problems in Ghana´s urban water supply. Water Policy 9: 169-192. » Article
Hafeez, M., M. Andreini, et al. (2007): Hydrological parameterization through remote sensing in Volta Basin, West Africa. International Journal of River Basin Management 5(49-56). » Abstract
Jung, G., H. Kunstmann 2007, 'High Resolution Climate Modeling for the Volta Region of West Africa', Journal of Geophysical Research, vol. 112, D23108, doi:10.1029/2006JD007951.
Jung, G., H. Kunstmann 2007, 'Modelling Regional Climate Change and the Impact on Surface and Sub-Surface Hydrology in the Volta Basin (West Africa)', IAHS Publ., vol. 313, pp. 150-157.
Kunstmann H., Jung G., Wagner S., Clottey H. (2007): Integration of Atmospheric Sciences and Hydrology for the Development of Decision Support Systems in Sustainable Water Management. Physics and Chemistry of the Earth, doi:10.1016/j.pce.2007.04.010.
Laube, W. (2007): Changing Resource Regimes in Northern Ghana: Actors, Structures and Institutions. Berlin, Lit.
Laube, W. (2007): Promise and Perils of Water Reforms: Perspectives from Northern Ghana. Afrika Spectrum 3: 419-437.
Laux, P., Kunstmann, H. & Bárdossy A. 2007, 'Linking the West African monsoon's onset with atmospheric circulation patterns', Quantification and Reduction of Predictive Uncertainty for Sustainable Water Resource Management (Proceedings of Symposium HS2004 at IUGG2007, Perugia, July 2007). IAHS Publ., vol. 313, pp. 40-50.
Leemhuis, C., C. Rodgers, et al. (2007): Integrated assessment in a data-scarce environment: the use of model ensembles to enable rational water management in the Volta Basin, West Africa. Geophysical Research Abstracts 9[5-2].
Liebe, J., M. Andreini, N. van de Giesen, and T. Steenhuis (2007) The Small Reservoirs Project: Research to Improve Water Availability and Economic Development in Rural Semi-arid Areas. In: Kittisou, M., M. Ndulo, M. Nagel, and M. Grieco (eds). The Hydropolitics of Africa: A Contemporary Challenge. Cambridge Scholars Publishing, Newcastle. pp. 325-332.
Neumann, R., G. Jung, et al. (2007): Climate trends of temperature, precipitation and river discharge in the Volta Basin of West Africa. International Journal of River Management 5(1). » Abstract
Rodgers C., van de Giesen, N., Laube, W., Vlek, P.L.G., Youkhana, E. (2007): The GLOWA Volta Project: A Framework for Water Resources Decision-Making and Scientific Capacity Building in a Transnational West African Basin.-In: Craswell, E. T., M. Bonell, D. Bossio, S. Demuth, N. Van De Giesen: Integrated Assessment of Water Resources and Global Change: A North-South Analysis. pp. 295-313.. » Abstract
Schuettemeyer, D., C. Schillings, et al. (2007): Satellite-Based actual evapotranspiration over drying semiarid terrain in West-Africa. Journal of Applied Meteorology and Climatology 46(1): 97–111. » Abstract
Tia, L., J. Szarzynski, et al. (2007): Ecological modeling of tree patterns and diversity as a means of classifying savanna landscapes: Remote sensing and GIS-based mapping. Geophysical Research Abstracts 9.
Tsegai, D. (2007): Migration as a household decision: What are the Roles of Income Differences? Insights from the Volta Basin of Ghana. The European Journal of Development Research 19(2): 305-326.
van de Giesen, N., Rodgers, C. and P. Vlek (2007): The GLOWA Volta Project: Interdisciplinary analysis of the impact of global change on a river basin in West Africa. JRBM, Vol 5 Issue 1. » Abstract
Wagner S., Kunstmann H., Bárdossy A. (2007): Uncertainties in water balance estimations due to scarce meteorological information: a case study for the White Volta catchment in West Africa. Proceedings of Symposium HS2004 at IUGG2007, Perugia, July 2007. IAHS Publ. 313.
Wagner S., Kunstmann H., and Bárdossy A., Conrad C. (2007): Water balance simulations in a poorly gauged basin using different meteorological and land surface data sources. Geophysical Research Abstracts, Vol. 9, 08304.
Wittig, R., K. König, et al. (2007): A Study of Climate change and Anthropogenic Impacts in West Africa. Environmental Science and Pollution Research - International. » Online information » Abstract
Wolf, S., Fuest, V., Asante, F.(2007): Water and electricity sector reforms in Ghana: Back on track? JRBM vol 5 Issue 1. » Abstract
Yilma, T., E. Berg, T. Berger 2007, 'The Agricultural Technology-Market Linkage under Liberalisation in Ghana: Evidence from Micro Data', Journal of African Economies, vol. 17, no. 1, pp. 62-84.
Barbier, B., Dembelé, Y., & Compaoré, L. (2006): L'eau au Burkina Faso: usages actuels et perspectives. Sud Sciences et technologies - semestriel des Ecoles Inter-Etats EIER-ETSHER (14). » Article
Braimoh, A.K. (2006): Random and systematic land-cover transitions in northern Ghana Agriculture. Ecosystmes & Environment 113: 254-263. » Abstract
Codjoe, S.N.A. (2006): Migrant versus indigenous farmers. An analysis of factors affecting agricultural land use in the transitional agro-ecological zone of Ghana, 1984-2000. Danish Journal of Geography 106 (1): 103-113. » Article
Gemperli, A., N. Sogoba, E. Fondjo, M. Mabaso, M. Bagayoko, O. Briet, D. Anderegg, J. Liebe, T. Smith, and P. Vounatsou (2006): Mapping Malaria Transmission in West and Central Africa. Tropical Medicine & International Health 11(7), 1032-1046. » Article
Neumann, R., Jung G., Laux, P., Kunstmann, H. (2006): Climate trends of temperature, precipitation and river discharge in the Volta Basin of West Africa; International Journal of River Basin Management.
Schuettemeyer, D., A. F. Moene, et al. (2006): Evaluation of two land-surface schemes used in terrains of increasing aridity in West Africa. Journal of Hydrometeorology 9(2): 173-193.
Schuettemeyer, D., Moene, A.F., Holtslag, A.A.M., de Bruin, H.A.R. (2006):Evaluation of different parameterizations for land surface schemes over drying terrain in West Africa. Geophysical Research Abstracts, Vol. 8, 09610. » Abstract
Schuettemeyer, D, Moene, A F, Holtslag, A A M, de Bruin, H A R & N. van de Giesen 2006, 'Surface fluxes and characteristics of drying semi-arid terrain in West Africa.', Boundary-Layer Meteorology, vol. 118, no. 3, pp. 583-612
Taylor, J.C., van de Giesen, N. & T.S. Steenhuis (2006): West Africa: Volta Discharge Data Quality Assessment and Use. In: Journal of the American Water Resources Association (August 2006): 1113-1126. » Article
Wagner S., Kunstmann H., Bárdossy A., Clottey H. (2006): Model based distributed water balance monitoring for the White Volta catchment in West Africa through coupled meteorological-hydrological simulations. Geophysical Research Abstracts, Vol. 8, 03607.
Wagner S., Kunstmann H., Bárdossy A. (2006): Model based distributed water balance monitoring of the White Volta catchment in West Africa through coupled meteorological-hydrological simulations. Advances in Geosciences Volume 9,pp. 39-44. » Article
Amisigo, B.A, van de Giesen, N. (2005): Using a spatio-temporal dynamic state-space model with the EM algorithm to patch gaps in daily riverflow series, with examples from the Volta Basin, West Africa. Hydrology and Earth System Sciences Discussions. » Article
Braimoh, A.K., Vlek P.L.G., Stein, A. (2005): Land evaluation for maize based on fuzzy set and interpolation. Environmental Management, 33: 226-238. » Abstract
Friesen, J. (2005): Soil moisture monitoring network, Volta Basin, West Africa - Instrumentation and calibration. ZEF Documentation of Research No. 1/2005.
Friesen, J., Andreini M., Andah W., Amisigo B., van de Giesen, N. (2005): Storage capacity and long-term water balance of the Volta Basin, West Africa. Regional Hydrological Impacts of Climatic Change—Hydroclimatic Variability. IAHS Publication 296, (Proceedings of symposium S6 held during the Seventh IAHS Scientific Assembly at Foz do Iguaçu, Brazil, April 3-9). » Abstract
Fuest, V., Ampomah, B., Haffner, S.A., Tweneboah, E. (2005): Mapping the Water Sector of Ghana. An Inventory of Institutions and Actors. Unpublished Research Report.
Hendrickx, J.M.H., Harrison J.B.J., Van Dam R.L., Borchers B., Norman D.I., Dedzoe C.D., Antwi B.O., Asiamah R.D., Rodgers C., Vlek P., Friesen J. (2005): Magnetic soil properties in Ghana. Proc. International Society for Optical Engineering, SPIE 5794. » Article
Iskandarani, M., Berger, T., Laube, W., Mast, M., Kunstmann, H. (2005): Coupled hydrological-econmical simulations for delineation of optimized irrigation using WaSim and GAMS. Technical Manual, Institute for Meteorology and Climate Research (IMK-IFU), Forschungszentrum Karlsruhe GmbH.
Kunstmann, H., Jung, G. (2005): Impact of regional climate change on water availability in the Volta Basin of West Africa, in: IAHS Publication No. 295 "Regional Hydrological Impact of Climate variability and Change", pp 75-85. » Article
Kunstmann, H. (2005): Upscaling of Land Surface Parameters through Direct Moment Propagation. Advances in Geosciences,5: 127-131. » Article
Laube, W. (2005): Vision und Wirklichkeit: Die Umsetzung des IWRM und die Erfahrungen mit Landreformen in Subsahara-Afrika. In: Neubert, S., Scheumann, W., Edig, A.V. & W. Huppert (eds.): Integriertes Wasserressourcen-Management (IWRM). Ein Konzept in die Praxis überführen. Nomos, Baden-Baden: 217-238.
Liebe, J., van de Giesen, N., Andreini, M. (2005): Estimation of small reservoir storage capacities in a semi-arid environment. A case study in the Upper East Region of Ghana. Physics and Chemistry of the Earth, 30: 448-454.
Martin, N., van de Giesen, N. (2005): Spatial Distribution of Groundwater Production and Development Potential in the Volta River basin of Ghana and Burkina Faso. Water International 30, No 2: 239–249. » Article
Mast, M., Kunstmann, H. (2005): Coupled hydrological-econmoical simulations for delineation of optimized irrigation using WaSim and GAMS. Technical Manual, Institute for Meteorology and Climate Research, Forschungszentrum Karlsruhe GmbH.
Oguntunde, P.G. (2005): Whole-plant water use and canopy conductance of cassava under limited available soil water and varying evaporative demand. Plant and Soil, 278: 371-383. » Abstract
Oguntunde, P.G., Ajayi, A.E., van de Giesen, N. (2005): Tillage and surface moisture effects on bare-soil albedo. Soil and Tillage Research. » Abstract
Oguntunde, P.G., van de Giesen, N. (2005): Water flux measurement and prediction in young cashew trees using sap flow data. Hydrological processes, Vol 19, Issue 16: 3235-3248. » Abstract
Oguntunde, P.G., van de Giesen, N., Savenije, H.H.H. (2005): Hydroclimatology of the Volta River Basin in West Africa: Trends and Variability from 1901-2002. Physics and Chemistry of the Earth. » Abstract
Park, S.J., van de Giesen, N., Vlek, P.L.G. (2005): Optimal Spatial Scale for Land Use Modeling: A Case Study in Savanna Landscape in Northern Ghana. In: Journal of the Korean Geographical Society, Vol. 40, no.2: 221-241. » Article
Rodgers C., van de Giesen, N., Laube, W., Vlek, P.L.G., Youkhana, E. (2005): The GLOWA Volta Project: A Framework for Water Resources Decision-Making and Scientific Capacity Building in a Transnational West African Basin. Special Issue for Water Resources Management. Springer Verlag.
van de Giesen, N., Steenhuis, T.S., Parlange, J.Y. (2005): Short-and long-time behavior of aquifer drainage after slow and sudden recharge according to the linearized Laplace equation. Advances in Water Resources. » Online information
Youkhana, E., Arendt, B., Kunstmann, H., Martin, N., Rodgers, C., Vlek, P.L.G. (2005): Das GLOWA Volta Projekt: Untersuchungen zum nachhaltigen Umgang mit der Ressource Wasser im Voltabecken von West Afrika. Hydrologie und Wasserbewirtschaftung, 49, No.4:190-200.
Youkhana, E., Arendt, B., Bharati, L. Plotnikova, M. Rodgers, C., Vlek, P.L.G. (2005): Entwicklung eines Entscheidungsunterstützungssystems für nachhaltiges Wassermanagement – Das GLOWA Volta Projekt. In: Nacken, H., Bartussek, S., Sevilam, H. (eds.): Entscheidungsunterstützung in der Wasserwirtschaft – Von der Theorie zum Anwendungsfall. Beiträge zum Tag der Hydrologie 2005, 22./23. March, Aachen.
Berger, T. (2004): Agent-based Modeling of Land Use Dynamics and Policy Options. Agrarwirtschaft 53, No. 2: 77-86.
Braimoh, A.K. (2004): Seasonal migration and land-use in Ghana. Land Degradation and Development 15: 37-47. » Abstract
Braimoh, A.K., Vlek P.L.G. (2004): Impact of land-cover change on soil properties in Ghana. Land Degradation and Development 15: 65-74. » Abstract
Braimoh, A.K., Vlek P.L.G. (2004): Land-cover dynamics in an urban area in Ghana. Earth Interactions 8 (1): 1-15. » Abstract
Braimoh, A.K., Vlek, P.L.G. (2004): Scale-dependent relationships between land-use change and its determinants in the Volta basin of Ghana. Earth Interactions 8 (4): 1-23. » Abstract
Braimoh, A.K., Stein, A., Vlek, P.L.G. (2004): Identification and Mapping of Associations among Soil Variables. Soil Science. 170(2):137-148. » Abstract
Braimoh, A.K., Vlek, P.L.G. (2004): Land-cover change analyses in the Volta basin of Ghana. Earth Interactions 8 (21): 1-17. » Abstract
Carbone, T. (2004): GLOWA Volta Project - Sampling of drinking water quality at household and community level in the Ghanaian Volta Basin. ZEF Documentation of Research 2/2004.
Fosu, M., Kühne, R.F., Vlek, P.L.G. (2004): Improving maize yield in the Guinea Savannah zone of Ghana with leguminous cover crops and PK fertilization. Journal of Agronomy 3(2): 115-121.
Gensler, M. (2004): Parzellierung und Geschichte. Zugang zu und Kontrolle von Bauland in einer westafrikanischen Kleinstadt (Diébougou, Burkina Faso), Paideuma 50: 127-150. » Article
Kunstmann, H., Stadler, C. (2004): Operational High Resolution Meteorological -and Hydrological Analysis as Decision Support System in Integrated Water Resources Management, in: Görgens, A. et al. (eds), IAHS Redbook "Integrated water resources management: Towards sustainable water utilization in the 21st century".
Laube, W. & V. Fuest (2004): Konzept einer armutsorientierten Entwicklungszusammenarbeit im Wassersektor. Gutachten im Auftrag des BMZ. Deutsches Institut für Entwicklungspolitik (DIE), Bonn, 69.
Marx, A., Kunstmann, H., Burose, D., Moene, A. (2004): Uncertainty Analysis based on Error Propagation for Satellite Derived Sensible Heat Fluxes and Scintillometer Measurements over Savannah Environment and Comparison to MM5 Simulation Results, Agricultural and Forest Meteorology.
Oguntunde, P.G., Fosu, M., Ajayi, A.E., van de Giesen, N. (2004): Effects of charcoal production on maize yield, chemical properties and texture of soil. Biology and Fertility of Soils, 39(4): 295-299.
Oguntunde, P., van de Giesen, N. (2004): Crop growth and development effects on surface albedo for maize and cowpea fields in Ghana, West Africa. International Journal of Biometeorology, 49(2): 106-112. » Abstract
Oguntunde, P.G., van de Giesen, N., Vlek, P.L.G., Eggers, H. (2004): Water flux in a cashew orchard during a wet-to-dry transition period: analyses of sap flow and eddy correlation measurements. Earth Interactions, 8: 1-17. » Abstract
Park, S.J., van de Giesen, N. (2004): Delineation of soil-landscape units along hillslopes to identify the spatial domains of hydrological processes. Journal of Hydrology, 295 (1-4): 28-46. » Abstract
Tsegai, D., Yilma, T. (2004): GLOWA-Volta Weighting Factors. ZEF Documentation of Research 1/2004.
Tsegai, D., Plotnikova, M. (2004): Impact of wage differentials on household migration decisions: A sample selection approach. Manuscript for a presentation at the 38th Annual Meeting of the Canadian Economics Association (CEA), Toronto, Canada, June 4-6. Online publication, accessible here.17 February, 2005.
van de Giesen, N., Stomph, T.J., de Ridder, N. (2004): Surface Runoff Scale Effects in West African Watersheds: Modeling and Management Options. Agricultural Water Management, 72 (2): 109-130. » Online information
Yilma, T., Berg, E., Berger, T. (2004): Empowering African Women through Agricultural Technologies: the Case of Irrigation Technology in Northern Ghana. in: Peters, K.J. et al. (eds.). Proceedings of Deutscher Tropentag, Berlin, October 5-7: Rural Poverty Reduction through Research for Development. » Article
Yilma, T., Berg, E., Berger, T. (2004): Prospects and Challenges of Agricultural Technology-Market Linkage under Liberalization in Ghana: Evidence from a micro-data. African Development and Poverty Reduction: The Macro-Micro Linkage, Forum Paper 2004.
Asante, F.A. (2003): Economic Analysis of Decentralisation in Rural Ghana. Development Economics and Policy Vol. 32. Frankfurt a.M.
Berger, T. (2003): Integration der Sozioökonomik in die Wasserressourcenforschung: Nur Wunschdenken und Lippenbekenntnis? 67. Sitzung der DFG-Senatskommission für Wasserforschung, Wissenschaftsforum Berlin, Germany, March 27. Manuscript in: ZEF-Documentation of Research 4/2003.
Briët, O.J.T., Dossou-Yovo, J., Akodo, E., van de Giesen, N., Teuscher, T.M. (2003): The relationship between Anopheles gambiae density and rice cultivation in the savannah zone and forest zone of Côte d'Ivoire. Tropical Medicine and International Health, 8(5): 439-448. » Article
Fosu, M., Kühne, R.F., Vlek, P.L.G. (2003): Recovery of cover-crop-N in the soil-plant system in the Guinea savannah zone of Ghana. Biol Fertil Soils 39: 117 – 122. » Abstract
Kunstmann, H., Jung, G. (2003): Feedback Mechanisms between Soil Moisture, Land Use and Precipitation in West Africa, In: Arneth, A. et al. (eds), Report Series in Aerosol Sciences, No. 62B, Proceedings of ILEAPS: Integrated Land Ecosystem -Atmosphere Study, International Open Science Conference, Helsinki, Finland: 215-220.
Kunstmann, H., Jung, G. (2003): Investigations of feedback mechanisms between soil moisture, land use and precipitation in West Africa. In: "Water Resources Systems -Water Availability and Global Change", IAHS Publication No. 280: 149-159. » Article
Laube, W., van de Giesen, N. (2003): Ghana Water Law and Policy: Institutional Issues and Hydrological Perspectives, in: Hydrological information in water law and policy: current practice and future potential. Wallace, J.S., Wouters, P., Pazvakavambwa, S. (eds.) Water Policy Series, Kluwer.
Martin, N. (2003): Il ruolo die pozzi scavati a mano nel combattere la carenza idrica in Ghana (The role of hand dug wells in fighting water scarcity in Ghana). Afriche e Orienti: Economia e politiche dell'acqua, Anno V, No. 3 -4: 118-125.
Masiyandima, M.C., van de Giesen, N., Diatta, S., Windmeijer, P.N., Steenhuis, T.S. (2003): The Hydrology of Inland Valleys in the Sub-Humid Zone of West Africa: Runoff Processes in the M'bé Experimental Watershed. Hydrological Processes, 17: 1213-1225. » Article
Müller et al. (2003): Effect of zinc supplementation on growth in West African children: a randomized double-blind placebo-controlled trial in rural Burkina Faso. In: International Journal of Epidemiology (32): 1098-1102. » Article
van de Giesen, N. et al. (2003): Integrated Water Research in the Glowa Volta Project. Geophysical Research Abstracts, Vol. 5. » Abstract
van de Giesen, N., Stomph,T.J., (2003): RUNOFF01 Software for calculating two-dimensional Hortonian flow and associated scale effects, manual and code description. ZEF-Documentation of Research 3/2003.
van de Giesen, N. (2003): GLOWA-Volta Projekt in zweite Phase gestartet. ZEF news 13, October 2003.
van Edig, A., Engel, S., Laube, W. (2003): Ghana's water institutions in the process of reforms: from the international to the local level, in: Neubert, S. et al. (eds.) Reforming Institutions for Sustainable Water Management. German Development Institute, Bonn: 31-50. » Article
van Edig, A., Youkhana, E. (2003): Arme und Umwelt -Verlierer der Wasserprivatisierung, in: Kaiser, M. (ed.) WeltWissen. Entwicklungs-zusammenarbeit in der Weltgesellschaft, transcript, Bielefeld. » Article
Vescovi, F.D. (2003): La gestione dele risorse idriche in Burkina Faso. Dai satelliti informazioni territoriali storiche ed aggiornate. Afriche e Orienti: Economia e politiche dell'acqua, Anno V, No. 3-4: 108-117.
Andreini, M., Vlek, P., van de Giesen, N. (2002): Water Sharing in the Volta Basin in: Friend: Regional Hydrology: Bridging the gap between research and practice. IAHS Publication 274.
Asante, F.A., Berger, T., Engel, S., Iskandarani, M. (2002): Water Security in the Ghanaian Volta Basin: Patterns, determinants, and consequences. Quarterly Journal of International Agriculture 41, No. 1/2 -Special Issue: 145-167.
Berger, T., Asante, F.A., Osei-Akoto, I. (2002): GLOWA-Volta Common Sampling Frame: Selection of Survey Sites, ZEF Documentation of Research 1/2002.
Berger, T. (2002): GLOWA-Volta Mathematical Programming Model: Equations and parameters. ZEF Documentation of Research 2/2002.
Berger, T., Coucellis H., Manson, S.M., Parker D.C. (2002): Introduction and Conceptual Overview, in: Parker, D.C., Berger, T., Manson, S.M. (eds.) Agent-Based Models of Land Use / Land Cover Change. LUCC Report Series No. 6, Louvain-la-Neuve.
Berger, T., Goodchild, M., Janssen, M.A., Manson, S.M., Najlis, R., Parker, D.C. (2002): Methodological Considerations for Agent-Based Modeling of Land-Use and Land-Cover Change, in: Parker, D.C., Berger, T., Manson, S.M. (eds.) Agent-Based Models of Land Use / Land Cover Change. LUCC Report Series No. 6, Louvain-la-Neuve.
Berger, T., Parker, D.C, (2002): Examples of Specific Research -Introduction, in: Parker, D.C., Berger, T., Manson, S.M. (eds.) Agent-Based Models of Land Use / Land Cover Change. LUCC Report Series No. 6, Louvain-la-Neuve.
Berger, T., Ringler, C. (2002): Trade-offs, efficiency gains and technical change -Modelling water management and land use within a multiple-agent framework. Quarterly Journal of International Agriculture 41(1/2): 119-144.
Iskandarani, M., Berger, T., Laube, W., Osei-Asare, Y. (2002): GLOWA-Volta Household Survey: Documentation of Questionnaire, ZEF Documentation of Research 2/2002.
Kunstmann, H. (2002): Modellierung und Validierung des Niederschlags in Westafrika. Jahresbericht, Fraunhofer Institut für Atmosphärische Umweltforschung, pp. 42-45.
Müller, O., Cole, I., Traore, C. (2002): Evaluation of a prototype long-lasting insecticide treated mosquito net under field conditions in rural Burkina Faso. Transactions of the Royal Society of Tropical Medicine and Hygiene 96(5): 483-484.
Müller, O., Jahn, A., von Braun, J. (2002): Micronutrient supplementation for malaria control -hype or hope? (editorial) Tropical Medicine & International Health, 7: 1-3. » Article
Osei-Asare, Y. (2002): GLOWA-Volta Household Survey: Documentation of Questionnaire, ZEF Documentation of Research 2/2002.
Okrah, J., Traore, C., Pale, A., Sommerfeld, J., Müller, O. (2002): Community factors associated with malaria prevention by mosquito nets: an exploratory study in rural Burkina Faso. Tropical Medicine & International Health, 7: 240-248. » Article
Park, S.J., Vlek, P.L.G. (2002): Soil-landscape analysis as a tool for sustainable land management. Geographical Journal Korea, 36:31-49.
Park, S.J., Vlek, P.L.G. (2002): Environmental correlation of three-dimensional soil spatial variability: a comparison of three adaptive techniques. Geoderma, Vol. 109 (1-2) (2002) pp. 117-140. » Article
Park, S.J., van de Giesen, N., Vlek, P.L.G. (2002): Delineation of landscape to identify spatially representative hydrological properties. Water Resource Research.
Park, S., Vescovi, F., Vlek, P.L.G. (2002): Detection of human-included land cover changes in a savannah landscape in Ghana. I. Change detection and quantification. In: Proceedings of the 2nd Workshop of the EARSeL Special Interest Group on Remote Sensing for Developing Countries, Bonn, Germany. » Article
Park, S., Vescovi, F., Vlek, P.L.G. (2002): Detection of human-included land cover changes in a savannah landscape in Ghana. II. Identification of the optimum spatial scale for land use change modeling. In: Proceedings of the 2nd Workshop of the EARSeL Special Interest Group on Remote Sensing for Developing Countries, Bonn, Germany.
Parker, D.C., Berger, T. (2002): Synthesis and Discussion, in: Parker, D.C., Berger, T., Manson, S.M. (eds.) Agent-Based Models of Land Use / Land Cover Change. LUCC Report Series No. 6, Louvain-la-Neuve.
Parker, D.C., Berger, T., Manson, S. (eds.) (2002): Agent-Based Models of Land Use / Land Cover Change. LUCC Report Series No. 6, International Human Dimensions Programme on Global Environmental Change (IHDP).
Stomph,T.J., de Ridder, N., Steenhuis, T.S., van de Giesen, N.(2002): Scale effects of Hortonian overland flow and rainfall-runoff dynamics: Laboratory validation of a process based model. Earth Surface Processes an Landforms, 2002, Vol 27(8), 847-855. » Article
Stomph, T.J., de Ridder, N., van de Giesen, N. (2002): A flowmeter for low discharges from laboratory flumes. Transactions American Society of Agricultural Engineers, 45(2): 345-349.
van de Giesen, N.C., Kunstmann, H., Jung, G., Liebe, J., Andreini, M., Vlek, P.L.G. (2002): The GLOWA Volta project: Integrated assessment of feedback mechanisms between climate, landuse, and hydrology. In: Beniston, M. (ed.) Climatic Change. Implications for the Hydrological Cycle and for Water Management, Advances in Global Change Research, 10: 151-170. » Article
van Edig, A. (2002): Konflikte um Wasser - Wasserverfügbarkeit und Wassernutzung: Eine Einleitung. In: Reiter, E. (ed.) Jahrbuch für internationale Sicherheitspolitik 2000: 141-162, Hamburg. » Article
van Edig, A., Laube, W., van de Giesen, N. (2002): Internationale und nationale Wasserkonflikte: Institutionelle und rechtliche Hintergründe der Wassernutzung des Volta-Flusses am Beispiel Ghanas, in: Meyer, G., Pütz, R., Thimm, A. (eds.) Wasserkonflikte in der Dritten Welt. Veröffentlichungen des interdisziplinären Arbeitskreises Dritte Welt, Band 15: 75-94, Mainz.
Vescovi, F.D., Duadze, S., Menz, G. (2002): Use of remote sensing for land use and natural resources investigations in the Volta Basin. » Article
Andreini, M., Van de Giesen, N. (2001): The GLOWA Volta Project. Sustainable Water Use in the Volta Basin. IHDP homepage (11/04).
Andreini, M., van de Giesen, N., van Edig, A., Vlek, P. (2001): Competition for water resources of the Volta Basin. IAHS Publication 268, (Proceedings of a symposium held during the sixth IAHS Scientific Assembly at Maastricht, The Netherlands, July 2001.
Berger, T., Park, S.J., Vescovi, F.D., Vlek, P.L.G., van de Giesen, N. (2001): Sustainable water use under changing land use, rainfall reliability, and water demands in the Volta basin (GLOWA Volta). LUCC Newsletter 6: 14-15.
de Soysa, I., Schoeller-Schletter, A., van Edig, A. (2001): Democracy, rules of Law and Good Governance -new approaches, ZEF news, No. 6: 2.
Kleinschmidt, I., Omumbo, J., Briët, O., van de Giesen, N., Sogoba, N., Mensah, N.K., Windmeijer, P., Moussa, M., Teuscher, T. (2001): An empirical malaria distribution map for West Africa. Tropical Medicine and International Health, 6 (10): 779-786. » Article
Kunstmann, H., Jung, G., Knoche, R. (2001): Rückkopplungseffekte zwischen Boden-feuchte, Landnutzung und Niederschlag im Volta Becken (Westafrika). Österreichische Beiträge zur Meteorologie und Geophysik, ISSN Heft Nr. 27/Publ. Nr. 399.
Müller, O., Becher, H., Baltussen, A., Ye, Y., Diallo, D., Konate, M., Gbangou, A., Kouyate, B., Garenne, M. (2001): Effect of zinc supplementation on malaria morbidity among Westafrican children: a randomized double-blind placebo-controlled trial. British Medical Journal, 322: 1567.
Sankoh, O.A., Ye, Y., Sauerborn, R., Müller, O., Becher, H. (2001): Clustering of childhood mortality in rural Burkina Faso. International Journal of Epidemiology, 30: 485-492.
Stomph, T.J., de Ridder, N., van de Giesen, N. (2001): A Flume Design for the Study of Slope Length Effects on Runoff. Earth surface processes and landforms, 26 (6): 647-655.
van de Giesen, N. (2001): Characterization of West African shallow flood plains with L-and C-Band radar. IAHS Publication 267: Remote Sensing and Hydrology 2000: 365-367 IAHS Press. » Article
van de Giesen, N., Andreini, M., van Edig, A., Vlek, P. (2001): Competition for water resources of the Volta Basin. IAHS Publication 268: 99-205, IAHS publication no. 268. » Article
van de Giesen, N., Mata, L.J., Döll, P., Hoekstra, A., Pfeffer M., Ramirez, J.A. (2001): Modeling Water Availability: Scaling Issues, in: Ehlers, E., Kraft, T. (eds.) Understanding the Earth System: Compartments, Processes and Interactions: 245-255, Springer Verlag.
van Edig, A., Laube, W., van de Giesen, N. (2001): Internationale und nationale Wasserkonflikte: Institutionelle und rechtliche Hintergründe der Wassernutzung des Voltaflusses am Beispiel Ghanas. IHP/OHP Berichte, Sonderheft 12: Hydrological Challenges in Transboundary Water Resources Management, Koblenz.
van Edig, A., van de Giesen, N.C., Andreini, M., Laube, W. (2001): Transboundary, institutional, and legal aspects of the Water Resources Commission in Ghana, in: IHP/OHP Nationalkommittee. Hydrological Challenges in Transboundary Water Resources Management, Sonderheft 12, September 2001: 391-400, Koblenz.
van Edig, A., Laube, W., van de Giesen, N.C. (2001): Internationale und nationale Wasserkonflikte: Institutionelle und rechtliche Hintergründe der Wassernutzung des Voltaflusses am Beispiel Ghanas. In: Wasserkonflikte in der Dritten Welt, Johannes Gutenberg University of Mainz. » Article
p>van Edig, A., van de Giesen, N. (2001): Efficient institutions as a precondition for sustainable water use. ZEF news, No. 7, May 2001: 3.
van Edig, A., van de Giesen, N., Andreini, M., Laube, W. (2001): Institutional and legal aspects of the (transboundary) Water Resources Commission in Ghana. Wasserkonflikte in der Dritten Welt, 18.
Vescovi, F.D. (2001): Classification of African complex environments based on a contextual spatial approach (SPARK). Proceedings of the International Workshop on Geo-Spatial Knowledge Processing for Natural Resource Management. June 28-29, University of Insubria, Varese, Italy.
Vlek, P.L.G., Hillel, D., Katyal, C.J., Seiler, W. (2001): Water Deficiency and Desertification, in: Ehlers, E., Kraft, T. (eds.). Understanding the Earth System: 275-279.
Andreini, M., van de Giesen, N., van Edig, A., Fosu, M., Andah W. (2000): Volta Basin Water Balance. ZEF-Discussion Papers on Development Policy #21, Bonn. » Article
Kunstmann, H. (2000): Numerische Modellierung der Wasserbilanz im Voltabecken, Jahresbericht Fraunhofer Institut für Atmosphärische Umweltforschung: 27-30.
Menz, G., Bethke, M. (2000): Regionalization of the IGBP Global Land Cover Map for Western Africa (Ghana, Togo and Benin). In: Proceedings of the 20th EARSeL-Symposium, June 2000, Dresden, 6 pp. » Article
Müller, O. (2000): History and State of Global Malaria Control. Acta Leopoldina, 80, 313: 127-49.
Quinones, M., Drakeley, C.J., Müller, O., Lines, J., Haywood, M., Greenwood, B.M. (2000): Diversion of Anopheles gambiae from children to other hosts following exposure to insecticide treated bednets. Medical and Veterinary Entomology, 14: 345-354. » Abstract
van de Giesen, N. (2000): Wasser und Landschaftserosion, in: Busch, B., Förster, L. (eds.) Wasser, Wienand Verlag: 417-425.
van de Giesen, N., Stomph, T.J., de Ridder, N. (2000): Scale Effects on Hortonian Overland Flow and Rainfall-Runoff Dynamics in a West African Catena Landscape. Hydrological Processes, 14 (1): 165-175.
Vescovi, F.D. (2000): Feature: Global Changes in Water Resources. EARSeL Newsletter Dec. 2000: 44-46.
1999
van de Giesen, N. (1999): Water Resources of the Volta River Basin. ZEF news 2, September 1999.
Vlek, P.L.G., von Braun, J., Wimmer,A. (1999): Sustainable Water Use under Changing Land Use, Rainfall, and Water Demands in the Volta Basin. Proposal for the GLOWA Volta Project.
» The Volta River Basin
